Finding the Fourth Proportional to 292,540,956.73, 403,706,423.14 and 160,379,115.70
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Solution
The fourth proportional to 292,540,956.73, 403,706,423.14 and 160,379,115.70 is: 221,323,126.41
Step by Step Solution
- Step 1: Write the proportion equation
292,540,956.73 : 403,706,423.14 = 160,379,115.70 : x - Step 2: Convert to fraction form
292,540,956.73/403,706,423.14 = 160,379,115.70/x - Step 3: Cross multiply
292,540,956.73x = 403,706,423.14 × 160,379,115.70 - Step 4: Simplify right side
292,540,956.73x = 64,746,079,145,603,208 - Step 5: Solve for x
x = 64,746,079,145,603,208/292,540,956.73 - Step 6: Final answer
x = 221,323,126.41
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.